feat: automatically insert ElectronAsarIntegrity into Info.plist

[MarshallOfSound]

Refs electron/electron#30667

Small addition to automatically insert the new (currently optional) ElectronAsarIntegrity block into your Info.plist

[codecov]

Codecov Report

Merging #1279 (488be55) into main (727a610) will not change coverage.
The diff coverage is 100.00%.

@@            Coverage Diff            @@
##              main     #1279   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           14        14           
  Lines          726       733    +7     
=========================================
+ Hits           726       733    +7     

Impacted Files	Coverage Δ
src/mac.js	100.00% <100.00%> (ø)
src/platform.js	100.00% <100.00%> (ø)

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[malept]

This looks reasonable, but I'd like some tests added as well.

[MarshallOfSound]

@malept Tests added 👍

[malept]

I will try to make a new release tonight or tomorrow.